{"id":"vidhyamitra:city-day:perth:1874-08-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1874-08-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1874-08-16","date_display":"August 16, 1874 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1874,"month":8,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2405751.770833,"kali_year":4976,"ahargana":1817286.2708,"sun":{"sidereal_longitude":120.5401,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":167.3273,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.7873,"elapsed_within_tithi_degrees":10.7873},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":167.3273,"elapsed_within_degrees":7.3273},"yoga":{"number":22,"name":"Sādhya","sum_longitude":287.8674},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1874,"month":8,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2405751.770833,"ahargana":1817286.2708,"kali_year":4976,"ayanamsa_lahiri":22.1016,"grahas":{"sun":{"sidereal_longitude":120.86374799999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":164.646748,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false,"latitude":1.836},"mars":{"sidereal_longitude":109.798248,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":104.12724800000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":160.86014799999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"venus":{"sidereal_longitude":164.57904800000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":289.108648,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":11.428,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":191.428,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1874,"month":8,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2405751.770833,"kali_year":4976,"ahargana":1817286.2708,"sun":{"sidereal_longitude":120.5401,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":167.3273,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.7873,"elapsed_within_tithi_degrees":10.7873},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":167.3273,"elapsed_within_degrees":7.3273},"yoga":{"number":22,"name":"Sādhya","sum_longitude":287.8674},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.836,"elongation":46.787},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.836,"opposition_distance":133.213}},"eclipse_window_40days":[]},"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"tier2":{"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"sunriseLocal":"06:52","sunsetLocal":"17:49","solarNoonLocal":"12:21","dayLengthHours":10.955994919149633,"dayLengthDisplay":"10 Hours 57 Mins 22 Secs","nightLengthDisplay":"13 Hours 02 Mins 38 Secs","moonriseLocal":"09:06","moonsetLocal":"21:25","rahuKala":{"name":"Rāhu Kāla","start":"16:27","end":"17:49","startHours":16.45062902129998,"endHours":17.820128386193687,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:21","end":"13:43","startHours":12.342130926618871,"endHours":13.711630291512574,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:05","end":"16:27","startHours":15.08112965640628,"endHours":16.45062902129998,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:47","startHours":9.420532281512301,"endHours":9.785732112150622,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:19","end":"07:37","startHours":7.3206332553419555,"endHours":7.612793119852612,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:42","startHours":11.97693109598055,"endHours":12.707330757257193,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:24","end":"06:08","startHours":5.40333414449077,"endHours":6.133733805767411,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:57","end":"06:52","startHours":5.951133890448251,"endHours":6.864133467044054,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:54","startHours":14.168130079810476,"endHours":14.898529741087119,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:37","end":"18:01","startHours":17.620128386193688,"endHours":18.020128386193687,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:49","end":"18:17","startHours":17.820128386193687,"endHours":18.276628174491588,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:34","end":"19:19","startHours":17.570128386193687,"endHours":19.320128386193687,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:42","startHours":23.97693109598055,"endHours":24.707330757257193,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:52","end":"08:14","startHours":6.864133467044054,"endHours":8.233632831937758,"quality":"inauspicious"},{"name":"Chala","start":"08:14","end":"09:36","startHours":8.233632831937758,"endHours":9.603132196831462,"quality":"neutral"},{"name":"Labha","start":"09:36","end":"10:58","startHours":9.603132196831462,"endHours":10.972631561725166,"quality":"auspicious"},{"name":"Amṛta","start":"10:58","end":"12:21","startHours":10.972631561725166,"endHours":12.342130926618871,"quality":"auspicious"},{"name":"Kāla","start":"12:21","end":"13:43","startHours":12.342130926618871,"endHours":13.711630291512574,"quality":"inauspicious"},{"name":"Śubha","start":"13:43","end":"15:05","startHours":13.711630291512574,"endHours":15.08112965640628,"quality":"auspicious"},{"name":"Roga","start":"15:05","end":"16:27","startHours":15.08112965640628,"endHours":16.45062902129998,"quality":"inauspicious"},{"name":"Udveg","start":"16:27","end":"17:49","startHours":16.45062902129998,"endHours":17.820128386193687,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:49","end":"19:27","startHours":17.820128386193687,"endHours":19.45062902129998,"quality":"auspicious"},{"name":"Roga","start":"19:27","end":"21:05","startHours":19.45062902129998,"endHours":21.08112965640628,"quality":"inauspicious"},{"name":"Udveg","start":"21:05","end":"22:43","startHours":21.08112965640628,"endHours":22.711630291512574,"quality":"inauspicious"},{"name":"Chala","start":"22:43","end":"00:21","startHours":22.711630291512574,"endHours":24.34213092661887,"quality":"neutral"},{"name":"Labha","start":"00:21","end":"01:58","startHours":24.34213092661887,"endHours":25.972631561725166,"quality":"auspicious"},{"name":"Amṛta","start":"01:58","end":"03:36","startHours":25.972631561725166,"endHours":27.60313219683146,"quality":"auspicious"},{"name":"Kāla","start":"03:36","end":"05:14","startHours":27.60313219683146,"endHours":29.233632831937758,"quality":"inauspicious"},{"name":"Śubha","start":"05:14","end":"06:52","startHours":29.233632831937758,"endHours":30.864133467044056,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:52","end":"07:52","startHours":6.864133467044054,"endHours":7.864133467044054,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:52","end":"08:52","startHours":7.864133467044054,"endHours":8.864133467044054,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:52","end":"09:52","startHours":8.864133467044054,"endHours":9.864133467044054,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:52","end":"10:52","startHours":9.864133467044054,"endHours":10.864133467044054,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:52","end":"11:52","startHours":10.864133467044054,"endHours":11.864133467044054,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:52","end":"12:52","startHours":11.864133467044054,"endHours":12.864133467044054,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:52","end":"13:52","startHours":12.864133467044054,"endHours":13.864133467044054,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:52","end":"14:52","startHours":13.864133467044054,"endHours":14.864133467044054,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:52","end":"15:52","startHours":14.864133467044054,"endHours":15.864133467044054,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:52","end":"16:52","startHours":15.864133467044054,"endHours":16.864133467044056,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:52","end":"17:52","startHours":16.864133467044056,"endHours":17.864133467044056,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:52","end":"18:52","startHours":17.864133467044056,"endHours":18.864133467044056,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:52","end":"19:52","startHours":18.864133467044056,"endHours":19.864133467044056,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:52","end":"20:52","startHours":19.864133467044056,"endHours":20.864133467044056,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:52","end":"21:52","startHours":20.864133467044056,"endHours":21.864133467044056,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:52","end":"22:52","startHours":21.864133467044056,"endHours":22.864133467044056,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:52","end":"23:52","startHours":22.864133467044056,"endHours":23.864133467044056,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:52","end":"00:52","startHours":23.864133467044056,"endHours":24.864133467044056,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:52","end":"01:52","startHours":24.864133467044056,"endHours":25.864133467044056,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:52","end":"02:52","startHours":25.864133467044056,"endHours":26.864133467044056,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:52","end":"03:52","startHours":26.864133467044056,"endHours":27.864133467044056,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:52","end":"04:52","startHours":27.864133467044056,"endHours":28.864133467044056,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:52","end":"05:52","startHours":28.864133467044056,"endHours":29.864133467044056,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:52","end":"06:52","startHours":29.864133467044056,"endHours":30.864133467044056,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.860185212153386,"eotMinutes":-3.969855597132357,"ayanamsa":22.1016}},"calendars":{"vikram_samvat":1931,"vikram_samvatsara":"Sarvajit","saka_samvat":1796,"saka_samvatsara":"Bhāva","bengali_samvat":1281,"malayalam_era":1050,"nanakshahi_year":405,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Caturthī · Vikram 1931 Sarvajit · Śaka 1796 Bhāva"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"perth"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 16, 1874 CE · Perth, Australia · Vidhyamitra","description":"August 16, 1874 CE for Perth, Australia: Śukla Caturthī, sūryodaya 06:52, sūryāsta 17:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1874-08-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1874-08-16","sa":"https://sa.vidhyamitra.com/city/perth/1874-08-16","hi":"https://hi.vidhyamitra.com/city/perth/1874-08-16","x-default":"https://vidhyamitra.com/city/perth/1874-08-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T23:40:38.134Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-31T23:40:38.134Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T23:40:38.134Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}